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The evolutionary history of early-type galaxies as derived from the fundamental plane

Pahre, M. A. and Djorgovski, S. G. and de Carvalho, R. R. (2001) The evolutionary history of early-type galaxies as derived from the fundamental plane. Astrophysics and Space Science, 276 (2-4). pp. 983-990. ISSN 0004-640X.

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The fundamental plane (FP) scaling relations and their evolution are a powerful tool for studying the global properties of early-type galaxies and their evolutionary history. The form of the FP, as derived by surveys in the local Universe at wavelengths ranging from the U to the K band, cannot be explained by metallicity variations alone among early-type galaxies; systematic variations in age, dark matter content, or homology breaking are required. A large-scale study of early-type galaxies at 0.1 < z < 0.6demonstrates that the SB intercept of the FP, the rest frame (U-V) colour, and the absorption line strengths all evolve passively, thereby implying a high mean formation redshift for the stellar content. The slope of the FP evolves with redshift, which is broadly consistent with systematic age effects occurring along the early-type galaxy sequence. The implication that the least luminous early-type galaxies formed later than the luminous galaxies is discussed in the context of the evolution of thecolour–magnitude relation, the Butcher–Oemler effect and hierarchical galaxy formation models.

Item Type:Article
Related URLs:
URLURL TypeDescription
Djorgovski, S. G.0000-0002-0603-3087
de Carvalho, R. R.0000-0002-1283-3363
Additional Information:© 2001 Kluwer Academic Publishers. MAP was supported by Hubble Fellowship grant HF-01099.01-97A from STScI (which is operated by AURA under NASA contract NAS5-26555) and by a grant from the conference organizers.
Funding AgencyGrant Number
NASA Hubble FellowshipHF-01099.01-97A
Subject Keywords:Stellar Population; Elliptical Galaxy; Virial Theorem; Local Universe; Fundamental Plane
Issue or Number:2-4
Record Number:CaltechAUTHORS:20190723-153557859
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Official Citation:Pahre, M., Djorgovski, S. & De Carvalho, R. Astrophysics and Space Science (2001) 276: 983.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:97368
Deposited By: Tony Diaz
Deposited On:23 Jul 2019 22:54
Last Modified:03 Oct 2019 21:30

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